Pet Health Library

Vet-reviewed guides to pet symptoms and conditions — what's normal, what's not, and when to see a vet.

All (1031)🐕 Dogs (223)🐈 Cats (231)🐰 Rabbits (146)🐹 Guinea Pigs (99)🐹 Hamsters (82)🦜 Birds (87)🦎 Reptiles (37)🐾 Ferrets (43)

All topics 🚨Emergency(2)🤮Digestive(15)💨Respiratory(10)🚽Urinary(4)🌿Skin & Coat(14)🦴Mobility(4)🍽️Eating & Drinking(9)👁️Eyes & Ears(12)🩺Chronic & Systemic(18)🐾Behavior(3)

Showing 145–168 of 231 articles found

🐈Cat HealthMay 31, 2026

Cat Sebaceous Adenitis: A Rare Cause of Patchy Hair Loss

Sebaceous adenitis is an uncommon skin disease in cats causing patchy hair loss, scaling, and crusts — biopsy confirms it, and treatment is lifelong.

🐈Cat HealthMay 31, 2026

Cat FLUTD Symptoms: When Litter Box Trouble Is an Emergency

Straining, blood in the urine, or peeing outside the box can mean FLUTD — and in a male cat, a full blockage is a 24-hour emergency.

🐈Cat HealthMay 31, 2026

Cat Polycythemia: When Too Many Red Blood Cells Are a Problem

Polycythemia means an excess of red blood cells. In cats it can cause brick-red gums, seizures, or behavior change — bloodwork pins down the cause.

🐈Cat HealthMay 30, 2026

🤮Digestive

Cat Pancreatitis: Signs, Diagnosis, and Recovery

Feline pancreatitis is sneaky — most cats just hide, stop eating, and look vaguely off. Here's what to watch for and when it's an emergency.

🐈Cat HealthMay 30, 2026

Cat Glaucoma Symptoms: Signs Your Cat Is Going Blind

Glaucoma in cats is painful, vision-threatening, and sneakier than in dogs. Here are the early signs and why it's an emergency.

🐈Cat HealthMay 30, 2026

🌿Skin & Coat

Cat Licking Belly Bald: Causes and How to Stop It

A cat licking its belly until the fur thins is almost always saying something — itchy skin, pain, or stress. Here's how to figure out which.

🐈Cat HealthMay 30, 2026

🌿Skin & Coat

Cat Skin Lumps and Bumps: Benign vs. Cancerous

Not every cat lump is harmless. Cat skin tumors are more often malignant than dog lumps — here's how vets sort out what needs an aspirate.

🐈Cat HealthMay 30, 2026

Cat Hairball Causes: When to Worry vs. Normal Grooming

Occasional hairballs are normal, but more than one a week, dry retching, or weight loss means it's time to see the vet — not buy more hairball gel.

🐈Cat HealthMay 29, 2026

🩺Chronic & Systemic

Cat Diabetes Warning Signs: Catching It Before Ketoacidosis

Increased thirst, urination, and weight loss despite a big appetite are classic cat diabetes signs. Early treatment can put some cats into remission.

🐈Cat HealthMay 29, 2026

Cat Megacolon Signs: When Chronic Constipation Becomes Serious

Megacolon turns recurrent constipation into a structural problem the colon can no longer fix on its own. Learn the warning signs and treatment options.

🐈Cat HealthMay 29, 2026

Cat Hematuria: What Blood in the Urine Means and What to Do

Blood in cat urine usually means FIC, a urinary stone, or a blockage — and in male cats it can be a true emergency within 24 hours.

🐈Cat HealthMay 29, 2026

👁️Eyes & Ears

Cat Cherry Eye: Causes, Surgery Options, and Recovery

Cherry eye in cats is rare but causes a visible pink swelling at the inner corner. Learn surgical options and why removing the gland is the wrong call.

🐈Cat HealthMay 29, 2026

🩺Chronic & Systemic

Cat Hyperthyroidism Treatment: Options, Costs, and What to Expect

Methimazole, I-131, surgery, or diet — see how each cat hyperthyroidism treatment compares on cost, cure rate, and monitoring needs.

🐈Cat HealthMay 28, 2026

Cat Pyelonephritis: Kidney Infection Signs and Treatment

Kidney infection in cats is a serious step beyond a simple UTI. Catching it early prevents permanent kidney damage and sepsis.

🐈Cat HealthMay 28, 2026

Cat Excessive Thirst: Diabetes, Kidney Disease, and Other Causes

A cat suddenly drinking more is rarely just thirsty — it's an early sign of kidney disease, diabetes, or hyperthyroidism. Here's what to do.

🐈Cat HealthMay 28, 2026

Cat Toxoplasmosis: Symptoms, Risk to Owners, and Care

Most cats with Toxoplasma never show signs, but young, immunocompromised, or sick cats can develop serious illness — and the parasite is zoonotic.

🐈Cat HealthMay 28, 2026

🦴Mobility

Cat Limping on a Front Leg: Causes and When to Worry

Cats hide pain well, so a limp usually means something real. Here's how to tell minor strains from injuries that need a same-day vet.

🐈Cat HealthMay 27, 2026

Cat Anemia Symptoms: Pale Gums, Lethargy, and What's Behind It

Cat anemia shows up as pale gums, weakness, fast breathing, and weight loss. Causes range from FeLV to kidney disease. Here's what to watch and when to act

🐈Cat HealthMay 27, 2026

💨Respiratory

Cat Asthma Attack: Symptoms, Triggers, and Emergency Care

A cat asthma attack looks like crouched, open-mouth breathing with neck extended. Here's how to recognize one and what to do in the moment.

🐈Cat HealthMay 27, 2026

🩺Chronic & Systemic

Cat Mouth Cancer Signs: Drooling, Bleeding, and Facial Swelling

Oral squamous cell carcinoma is the most common mouth cancer in cats. Early signs include drooling, bad breath, dropping food, and a swelling under the jaw

🐈Cat HealthMay 27, 2026

Cat Corneal Ulcer Signs: When an Eye Problem Becomes Urgent

Cat corneal ulcers show as squinting, watery eye, cloudy spots, and pawing at the face. They can perforate the eye within days. Here's what to do.

🐈Cat HealthMay 27, 2026

🩺Chronic & Systemic

Cat Fatty Liver Disease: Hepatic Lipidosis Symptoms & Care

Hepatic lipidosis is the most common cat liver disease — overweight cats that stop eating for 2-3 days are at high risk. Here's what to watch for.

🐈Cat HealthMay 25, 2026

Cat HCM Symptoms: Hypertrophic Cardiomyopathy Signs

Cat HCM (hypertrophic cardiomyopathy) thickens the heart and can cause sudden paralysis or breathing trouble. Here are the symptoms and what to do.

🐈Cat HealthMay 25, 2026

Cat FIP Treatment with GS-441524: 84-Day Protocol Guide

GS-441524 cures over 85 percent of cats with FIP using an 84-day antiviral protocol. Here are the forms, dosing, costs, and what recovery looks like.